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\[\]
我们有: \[0<\{3\alpha \}<\{\alpha \}<\{4\alpha \}<\{2\alpha \}<1\] 五个区间的长度分别为: \[3{\sqrt {2}}-4;\ 3-2{\sqrt {2}};\ 3{\sqrt {2}}-4;\ 3-2{\sqrt {2}};\ 3-2{\sqrt {2}}\] 在本例中,这些长度只有两个值。
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2025-6-4 17:32 GMT+8
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